MOTOR METER RACING VD SERIES 6 Gauge Set. Swiss Stepper Motor Movement. Analog Display Speedometer & Odometer. Flat Clear Lens Surface, Black Stainless Steel Bezel & Plastic Housing. White Gauge Faceplate, Red Needle. Speedometer Cable Thread Size: 5/8-18. Tachometer Fits Any 1 to 9 Cylinder Gas Powered Engine. Gauge Set Requires 12 Volt Negative Ground Systems. Volt Gauge / Voltmeter. Measuring Range: 8 – 16 (V). Measuring Range: Empty – Full. Resistance: 240 (E) – 33 (F) ohms. With Fuel Level Sender. Measuring Range: 40 – 120. / 100 – 250. With Water Temperature Sensor (Thread Size: 1/8 NPT). Measuring Range: 0 – 10 (BAR) / 0 – 150 (PSI). With Oil Pressure Sensor (Thread Size: 1/8 NPT). Measuring Range: 0 – 140 (MPH). Measuring Range: 0 – 8000 (RPM). Water Temperature Sensor (Thread Size: 1/8 NPT). Oil Pressure Sensor (Thread Size: 1/8 NPT). Fuel Level Sender (240 – 33 ohms). Filter x 2 (For Tachometer). If Tachometer Readout Inaccurate In Idle or Keep Bouncing When Engine Accelerating, Please Install Our Tachometer Filter. Speedometer: 0 – 220 (KMH) / 0 – 140 (MPH). Fuel Level Gauge: 240 – 33 ohms / 0 – 90 ohms, Also Substitute Fuel Level Sender. MOTOR METER RACING GUARANTEE. 100% Made in Taiwan.